Pneumatic control dust discharging valve
A technology of ash unloading valve and air control, which is applied in the direction of lifting valve, valve details, valve device, etc., which can solve the problems of ash unloading valve not working normally, dust hardening, etc., and achieve safe and reliable use, flexible movement, and good sealing performance Effect
Active Publication Date: 2013-04-24
AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD
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Problems solved by technology
[0003] In order to solve the technical problem that the ash unloading valve between pipelines in the existing dust removal system is prone to dust compaction after a long time of work and the ash unloading valve cannot work normally, the present invention provides a long-term effective and stable Working Dust Valve
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[0017] see figure 1 , figure 2 , image 3 , Figure 4 , Figure 5 , the present invention includes a hollow valve body, a cylinder 1, a cylinder support frame assembly 2, a transmission assembly and a cover plate assembly fixed at the port of the valve body for closing the valve body, the cylinder support frame assembly 2 is fixed on the outer wall of the valve body, and the cylinder 1 is fixed on the valve body through the cylinder support frame assembly 2, the piston in the cylinder 1 is connected to the transmission assembly and the cover plate assembly is connected through the transmission assembly, the cover plate assembly includes two rotating shafts 3 connected to the transmission assembly and fixed on two rotating Two cover plates 4 on the shaft 3 and can rotate with the rotating shaft 3, the two rotating shafts 3 are fixed side by side at the port of the valve body and can be driven by the transmission assembly to rotate around the axis of the rotating shaft 3.
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The invention discloses a pneumatic control dust discharging valve which comprises a valve body, two cylinders, two cylinder support components, two link driving components and two valve plate components. The pneumatic control dust discharging valve works mainly in the way that the cylinder piston is put in a vertical reciprocating motion, and drives a pair of lifting lever components through a pair of connecting rod components; a pair of spindle components which are connected with the pair of lifting level components drive the valve plate component on the valve body, so as to realize the opening and closing operations of the dust discharging valve, which facilitates the dust discharging and sealing of the main dust precipitator in a dust removing system, thus ensuring gas pipelines unblocked. The invention has the beneficial effects that the negative pressure is well utilized to keep the valve plate components tightly sticking to the valve body so that the dust discharging valve works with the dust removing system in a fully sealed condition, and has the advantages of compact structure, deft design and good sealing property, thus being one of the indispensible choices for the main dust precipitator in a dust removing system.
Description
technical field [0001] The invention relates to a valve in a dust removal system, in particular to an air-controlled ash unloading valve. Background technique [0002] In the past, in each dust removal system, the connection from the dust removal main unit to each pipeline system was directly connected to the pipeline and the main unit by elbows, tees and other auxiliary parts, which made the cleaning effect of the entire pipeline system not ideal and difficult to maintain ; Later, with the continuous updating of technology, the ash unloading valve connected with the main machine adopts a gate valve to realize its opening and closing functions to ensure the smooth flow of the system. However, it has been found through practice that the use of gate valves also has many disadvantages: As time goes by, after the flapper valve is connected to the main engine, it is easy to cause dust to harden during the opening and closing process. Over time, the flapper in the flapper valve ca...
Claims
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IPC IPC(8): F16K1/20F16K31/122
Inventor 张晓英张一宇
Owner AEROSPACE KAITIAN ENVIRONMENTAL TECH CO LTD